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https://issues.apache.org/jira/browse/HADOOP-9158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Allen updated HADOOP-9158:
-----------------------------------
Attachment: HADOOP-9158.patch
First draft of a patch so people can see where I'm going with this, feel free
to comment and suggest improvements.
> Tidy up fs -help
> ----------------
>
> Key: HADOOP-9158
> URL: https://issues.apache.org/jira/browse/HADOOP-9158
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Jonathan Allen
> Assignee: Jonathan Allen
> Priority: Minor
> Attachments: HADOOP-9158.patch
>
>
> There are a number of issues with the current fs -help implementation that
> could do with tidying up.
> 1) Running 'hadoop fs -help' displays the full detailed help for all
> commands. This produces a large amount of text and makes it hard to find
> what you're looking for. Better functionality would be:
> - hadoop fs -usage : shows the basic usage information for all commands
> - hadoop fs -help : shows usage and brief summary (couple of lines) for all
> commands
> - hadoop fs -help <command> : shows full description of the specified command
> 2) Help text is hardcoded into each command class. This should be replaced by
> resource files to allow internationalisation.
> 3) Line breaks are hardcoded into the help text. The help text should be
> auto-formatted at display time.
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